Effect of high-fat, high-protein, and high-carbohydrate meals on the pharmacokinetics of a small dose of ethanol

British Journal of Clinical Pharmacology
A W JonesS Kechagias

Abstract

To investigate whether the relative amounts of fat, carbohydrate (CHO), or protein in a meal influence the pharmacokinetics of a small dose of ethanol. Nine healthy men received ethanol (0.30 g kg-1 body weight) on five occasions in a randomized cross-over fashion. On three occasions the dose of ethanol was consumed within 15 min of eating a standardized breakfast of similar volume and calorific value but containing different amounts of fat, CHO, and protein. On two other occasions the same dose of ethanol was ingested on an empty stomach (overnight fast) or administered by intravenous (i.v.) infusion over 30 min. The blood-ethanol profiles showed large inter and intraindividual variations, especially when ethanol was ingested after eating food. The peak blood-alcohol concentrations (BAC) were 16.6 +/- 4.0, 17.7 +/- 7.1, and 13.3 +/- 4.0 mg dl-1 (mean +/- s.d.) after fat, CHO, and protein-rich meals and 30.8 +/- 4.3 and 54.3 +/- 6.4 mg dl-1 after fasting and i.v. infusion, respectively. The corresponding areas under the concentration-time profiles (AUC) were 1767 +/ -549, 1619 +/- 760 1270 +/- 406 mg dl-1 min after fat, CHO, and protein-rich meals compared with 3210 +/- 527 and 4786 +/- 446 mg dl-1 min after fasting and i.v. in...Continue Reading

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